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Expired
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Henry Ward Kearns
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Individual
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Individual
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Publication of GB189615208ApublicationCriticalpatent/GB189615208A/en
GB189615208D1896-07-091896-07-09Improvements in and Apparatus or Means for Treating the Sludge or Deposit from Foul Waters and the like.
ExpiredGB189615208A
(en)
Improvements in Apparatus for Facilitating the Removal of Sludge from Precipitation and Settling Tanks for the Treatment of Sewage and other Foul Waters.